// Copyright 2010, University of Twente, Formal Methods and Tools group
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package spinja.model.listener;

/**
 * A {@link TransitionListener} listens for when transitions are taken or undone.
 * @author Marc de Jonge
 */
public interface TransitionListener {
	/**
	 * This method is called when a transition is taken.
	 * @param evt
	 *            The {@link TransitionEvent}.
	 */
	public void transitionTaken(TransitionEvent evt);

	/**
	 * This method is called when a transition is undone.
	 * @param evt
	 *            The {@link TransitionEvent}.
	 */
	public void transitionUndo(TransitionEvent evt);
}